When using a urinal or urinating in some other public place with more than one person, you become painfully and unavoidably aware of the other party’s penis even though your eyes are directed forwards and upwards.
A rectal wipe job that extends well beyond the anal sphincter cleansing and requires one or more wipes of the outer edges of or in as far as the middle of the butt cheeks. A common occurrence when suffering an assplosion of butt batter.
Holy Shite!!!! That was nasty. I just blew a wet brown demon out my arse and took me several peripheral wipes just to get the splatters.
The moment when you think you see someone attractive out of the corner of your eye (the peripherals), and momentarily find them attractive before getting a better glance and realizing that they are a sub-par, or unfortunate looking individual
Inner monologue... "Ouuu damn, that guy is really hot!...oh.. oh. No wait, statement retracted, he’s just the Mexican janitor. Thought he was hot from the corner of my eye. He’s peripheral hot."